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Acquisitions Proforma (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Business Combinations [Abstract]
Net sales	$ 717
Net income attributable to common shareholders	$ 57
Basic earnings per share from continuing operations (in dollars per share)	$ 1.00
Diluted earnings per share from continuing operations (in dollars per share)	$ 0.98

- Definition

The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details

- Definition

The pro forma diluted net income per share for a period as if the business combination or combinations had been completed at the beginning of a period.

+ References+ Details